LTC3119 absoluTe MaxiMuM raTings (Note 1) VIN, PVIN, PVOUT, RUN, PGOOD ... –0.3V to 19V Operating Junction Temperature (Notes 2, 3) FB, VC, RT, SYNC, MPPC, VCC, SVCC ... –0.3V to 6V LTC3119E/LTC3119I ... –40°C to 125°C BST1 Voltage ...(SW1 – 0.3V) to (SW1 + 6V) LTC3119H .. –40°C to 150°C BST2 Voltage ...(SW2 – 0.3V) to (SW2 + 6V) LTC3119MP.. –55°C to 150°C Storage Temperature Range .. –65°C to 150°C Lead Temperature (Soldering, 10 sec) FE..300°C pin conFiguraTion TOP VIEW TOP VIEW N/C 1 28 PWM/SYNC N/C 2 27 N/C BST2 N/C N/C PWM/SYNC N/C BST1 BST2 3 26 BST1 28 27 26 25 24 23 PGND 4 25 PGND PGND 1 22 PGND SW2 5 24 SW1 SW2 2 21 SW1 PV 6 23 OUT PVIN PVOUT 3 20 PVIN PV 7 22 OUT PV 29 IN PVOUT 4 29 19 PVIN SW2 8 PGND 21 SW1 SW2 5 PGND 18 SW1 PGND 9 20 PGND PGND 6 17 PGND PGOOD 10 19 V PGOOD 7 16 V IN IN SV 11 18 RUN SV CC CC 8 15 RUN 9 10 11 12 13 14 FB 12 17 RT FB VC 13 16 V VC CC V CC RT SGND MPPC SGND 14 15 MPPC UFD PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN FE PACKAGE T 28-LEAD PLASTIC TSSOP JMAX = 125°C, θJA = 22°C/W EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB TJMAX = 150°C, θJA = 21°C/W EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB orDer inForMaTion http://www.linear.com/product/LTC3119#orderinfoLEAD FREE FINISHTAPE AND REELPART MARKING*PACKAGE DESCRIPTIONTEMPERATURE RANGE LTC3119EUFD#PBF LTC3119EUFD#TRPBF 3119 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3119IUFD#PBF LTC3119IUFD#TRPBF 3119 28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C LTC3119EFE#PBF LTC3119EFE#TRPBF 3119 28-Lead Plastic Enhanced TSSOP –40°C to 125°C LTC3119IFE#PBF LTC3119IFE#TRPBF 3119 28-Lead Plastic Enhanced TSSOP –40°C to 125°C LTC3119HFE#PBF LTC3119HFE#TRPBF 3119 28-Lead Plastic Enhanced TSSOP –40°C to 150°C LTC3119MPFE#PBF LTC3119MPFE#TRPBF 3119 28-Lead Plastic Enhanced TSSOP –55°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. 3119fb 2 For more information www.linear.com/LTC3119 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Introduction PWM Mode Operation VCC Regulator Current Mode Control Error Amplifiers Current Limit and Zero Current Detection Soft-Start Maximum Power Point Control (MPPC) Burst Mode Operation Power Good Indicator Thermal Considerations Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
